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14: Skills, Hooks, and Subagents
Claude Code can be extended with reusable skills, hooks, and subagents for workflows that appear repeatedly. A skill can package specialized instructions or procedures so the same knowledge does not need to be explained in every task. A hook can automatically run a predictable action, such as formatting, validation, or another project check at an appropriate point. A subagent can handle a narrow investigation or specialized task when splitting the work provides a real benefit. Do not add automation simply because the feature exists; unnecessary automation makes the project harder to understand and maintain. Keep each reusable component narrow, documented, and easy for another developer to inspect. Used carefully, these features turn Claude Code from a general coding assistant into an agent that understands your team's repeatable workflows. The key rule is simple: automate stable processes, but keep important design and risk decisions under developer control.
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